订阅选项添加createOnNotFound属性

图形状态接口添加remove属性
调整图形app接收设备状态消息的处理逻辑

src/jlgraphic/app/JlGraphicApp.ts

@@ -475,7 +475,8 @@ export interface IGraphicScene extends EventEmitter<GraphicAppEvents> {
    */
   handleGraphicStates(
     graphicStates: GraphicState[],
-    queryer?: GraphicQuery
+    queryer?: GraphicQuery,
+    createOnNotFound?: boolean
   ): void;
   /**
    * 根据类型获取图形模板
@@ -1092,7 +1093,8 @@ abstract class GraphicSceneBase
    */
   handleGraphicStates(
     graphicStates: GraphicState[],
-    queryer?: GraphicQuery
+    queryer?: GraphicQuery,
+    createOnNotFound?: boolean
   ): void {
     graphicStates.forEach((state) => {
       let g: JlGraphic | undefined;
@@ -1103,12 +1105,21 @@ abstract class GraphicSceneBase
       }
       try {
         if (!g) {
-          const template = this.getGraphicTemplatesByType(state.graphicType);
-          const g = template.new();
-          g.loadState(state);
-          this.addGraphics(g);
-        } else if (g.updateStates(state)) {
-          g.repaint();
+          // 未找到图形对象
+          if (createOnNotFound) {
+            const template = this.getGraphicTemplatesByType(state.graphicType);
+            const g = template.new();
+            g.loadState(state);
+            this.addGraphics(g);
+          }
+        } else {
+          // 找到
+          if (state.remove) {
+            this.deleteGraphics(g);
+            g.destroy({ children: true });
+          } else if (g.updateStates(state)) {
+            g.repaint();
+          }
         }
       } catch (err) {
         console.error('图形状态处理异常', g, state, err);

src/jlgraphic/core/JlGraphic.ts

@@ -502,6 +502,7 @@ export interface GraphicData {
 export interface GraphicState {
   get code(): string; // 业务标识
   get graphicType(): string; // 图形类型
+  remove?: boolean; // 是否移除图形
   /**
    * 克隆消息
    */

src/jlgraphic/message/MessageBroker.ts

@@ -146,6 +146,7 @@ export type GraphicStateMessageConvert = (
   message: Uint8Array
 ) => GraphicState[];
 
+// 根据状态查询图形对象查询器
 export type GraphicQuery = (
   state: GraphicState,
   store: GraphicQueryStore
@@ -168,6 +169,10 @@ export interface AppStateSubscription {
    * 根据状态查询图形对象,默认为根据code和type查询图形对象
    */
   graphicQueryer?: GraphicQuery;
+  /**
+   * 当未根据状态找到图形对象时是否创建新对象
+   */
+  createOnNotFound?: boolean;
   /**
    * 订阅消息处理
    */
@@ -196,7 +201,11 @@ class AppMessageHandler implements IMessageHandler {
     const sub = this.sub;
     if (sub.messageConverter) {
       const graphicStates = sub.messageConverter(data);
-      this.app.handleGraphicStates(graphicStates, sub.graphicQueryer);
+      this.app.handleGraphicStates(
+        graphicStates,
+        sub.graphicQueryer,
+        sub.createOnNotFound
+      );
     } else if (sub.messageHandle) {
       sub.messageHandle(data);
     }